* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  padding: 20px;
}

#app {
  width: 100%;
  max-width: 500px;
  margin: 0 auto;
  padding-top: 50px;
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 0.3s ease;
}

.fade-enter-from,
.fade-leave-to {
  opacity: 0;
}

.slide-up-enter-active {
  transition: all 0.3s ease-out;
}

.slide-up-enter-from {
  transform: translateY(20px);
  opacity: 0;
}